package uk.ac.aber.paws.client.idlelogger;

import uk.ac.aber.paws.client.util.ServiceOperations;

/**
 * @author Rob Johnson, Aberystwyth University
 * @email rob.johnson@aber.ac.uk
 * @date 8th August 2011
 * 
 * FixService.java
 * 
 * Performs the operations to try and restart the PAWS Clietn service
 *     
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

public class FixService extends Thread {

	/**
	 * Performs the actual service fixing routine
	 */
	public void run() {
		
		// get status of the service
		boolean serviceStopped = ServiceOperations.isServiceStopped();
		
		// if the service is in a stopped state
		if (serviceStopped) {
			
			int attempts = 0;
			boolean serviceStartSuccess = false;
			
			// attempt to start the PAWS Client service a maximum
			while (serviceStartSuccess = ServiceOperations.isServiceStopped()) {
			
				// perform the actual service start
				ServiceOperations.switchService(true);
				attempts++;
	
				// if number of attempts exceeded, give up
				if (attempts == Integer.parseInt(IdleLogger.getMainConfig().getProperty("idlelogger.servicefixer.maxattempts"))) {
					break;
				}
			}
				
			// if failed to start success
			if (serviceStartSuccess) {
				
				IdleLogger.setServiceToCritical();
			}
		}
	}
}
